Indoor saunas
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Heaters
Clive H.
Excellent product and excellent service. A very high-level company that delivers on what it promises. From the first conversations to the final installation, the whole process was impressive.
Recommended 4.7 kW
1026 × 1200 × 2150 mm
Fits 1 person
3-year warranty
Indoor Sauna Thermo Black 110
Designer interior sauna in black thermowood. Modern lines and premium finish for compact spaces.
Heats up to 80–100°C in 15–25 min
Comfortably fits 1 person
Black thermowood finish
Contemporary design
Designed and made in the EU
From £6,450.00
Base price · VAT included · Heater and extras are configurable below
- Complete insulated cabin structure
- Benches and interior fittings
- Tempered glass front or door, depending on the model
- Heater, stones and electrical components
- Lighting and accessories
- Delivery and installation
Exterior
1026 × 1200 × 2150 mm
Interior
850 × 1070 × 2022 mm
Weight
~300 kg
Capacity
1 person
Interior area
0.91 m²
Heater
4.7 kW
Assembly
2–3 hours (2 people)
Interior wood
Thermo Aspen
Bench wood
Thermo Aspen
Glass
Tempered, 8 mm
Walls
80 mm
Insulation
Mineral wool, 50 mm
If in stock
Ships in 1-2 weeks
Made to order
Typical lead time 6–8 weeks
Professional installation is available and coordinated by the Saunamo team.
Installation
service
service
International
delivery
delivery
Support before
and after
and after
Configure your sauna
Choose your finish, options and delivery preferences using the live UK configurator.
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What distinguishes Thermo Black 110
Design
Sophisticated black finish
Sophisticated black finish
Black thermowood creates a modern and elegant environment.
Compact
Perfect for small spaces
Perfect for small spaces
Compact design that fits in any room.
Materials
Thermowood FSC certified
Thermowood FSC certified
Thermotreated wood for durability and resistance to humidity.
Efficiency
Fast heating with 4.7 kW
Fast heating with 4.7 kW
Ready in 15–25 minutes for spontaneous sessions.
"It's become a daily ritual… I ordered from real Finns at Saunamo — one of the best saunas I've ever seen… It's an investment in health, longevity and quality of life."
Dimensions and technical data
Everything you need to confirm whether Indoor Sauna Thermo Black 110 fits your space.
Exterior1026 × 1200 × 2150 mm
Interior850 × 1070 × 2022 mm
Heater4.7 kW
Key data
| Exterior dimensions | 1026 × 1200 × 2150 mm |
| Interior dimensions | 850 × 1070 × 2022 mm |
| Capacity | 1 person |
| Interior volume | 1.84 m³ |
| Usable area | 0.91 m² |
| Recommended heater | 4.7 kW |
Cabin materials
Dark thermo aspen with a more architectural presence
In the Thermo Black range, the dark thermowood and black benches create a stronger visual statement while keeping the cabin comfortable and stable for frequent indoor use.
Free service
Fit validation before ordering
Send us the room measurements or photos and we will confirm the base, access and placement before you order.
Sauna + ice. The complete circuit.
Combine this sauna with an ice bath and create a complete thermal contrast ritual.
Cube ice bath↗
Clean lines and a more architectural feel for a contrast setup with strong visual coherence.
Ofuro ice bath↗
Ergonomic alternative for those who want a contrast with simpler implementation.
Want to put together a complete contrast set?
We can help coordinate the sauna, ice bath, placement and how the ritual flows.
No surprises. From start to finish.
We follow each phase — from technical verification to ongoing assurance.
01VerificationWe confirm everything with you
02DivisionPrepare the space
03ElectricalDedicated circuit
04DeliveryOn-site assembly
Before ordering
Before ordering
01
Free technical check
We confirm division, electrical and access with you — no obligation.
Inner spaceElectrical RequirementsAccess route
02
Prepare the division
Check that the room has adequate ventilation, access to a dedicated electrical circuit and flooring that is resistant to the weight of the sauna.
03
Delivery and assembly
We check access and positioning in the interior space.
After installation
04
3 years warranty. Continuous support.
Dedicated support, available parts and technical assistance whenever you need it.
3-year warranty
"Saunamo delivered excellent service. The sauna has been a fantastic purchase, helping with cardiovascular health, faster recovery, better sleep and lower stress."
Why Saunamo
We do not sell generic saunas. We design complete experiences, with premium quality, thoughtful design and continuous support - from the first contact to the first session.
The usual
With Saunamo
The usualGeneric wood
With SaunamoThermowood FSC certified
The usualChoosing based only on specs
With SaunamoPersonal guidance from our sauna experts to match the right sauna to your space and routine
The usualDelivery only
With SaunamoFree technical consultation before ordering + support through the whole process until your sauna is installed and ready to use
The usualUnknown origin
With SaunamoEuropean design and manufacturing
The usualLimited reviews
With Saunamo4.9/5 on Google
What our clients say
4.9
Google
Google Reviews
Matt F.
The sauna quality is incredible. The team handled everything with real professionalism and stayed very customer-focused throughout. We felt confident from start to finish.
Anna S.
We were impressed by the quality, design and functionality. Communication was always fast and reliable, and every question was answered clearly.
Derek H.
The build quality is exceptional. The customer service is among the best we have experienced. It has been a very worthwhile investment for our home and wellbeing.
VB
Vitali B.
Worth every euro. The sauna arrived in perfect condition and the team was extremely helpful throughout the process.
JC
Jorge C.
I recommend it completely. Excellent product and a fantastic team. From the first contact to the final stage, everything ran exactly as it should.
SW
Sarah W.
From order to delivery, the whole experience was smooth. The sauna is beautifully built and the after-sales support has been excellent.
PM
Pedro M.
One of the best purchases we have made for our home. Authentic quality and customer support at a very high standard.
Dedicated support
Do you have a specific question about this sauna?
We help validate the space, technical requirements and the right model before you move to a quote.
Frequently asked questions about this sauna
01What is included in the base price?+
- Complete insulated cabin structure
- Benches and interior fittings
- Tempered glass front or door, depending on the model
Heater, stones, final electrical connection, delivery and installation are not included in the base price.
02How long does it take to heat up?+
With the 4.7 kW Aava electric heater, the usual time is around 15 to 25 minutes. The compact interior volume of 1.84 m³ was designed for quick and efficient daily use.
03Is the sauna safe for indoor use?+
Yes. It was designed for indoor use, with thermo aspen surfaces, 80 mm walls, 50 mm mineral wool and an 8 mm tempered glass front. The final electrical connection must be validated for the space and installation.
04How long does delivery of the Thermo Black 110 sauna take?+
1–2 weeks , if the model is in stock. If it is made to order, the typical lead time is6–8 weeks. We always confirm the exact lead time before you place the order.
05What type of space is ideal?+
At 1026 x 1200 x 2150 mm, it fits well in a wide range of interior rooms, including small wellness rooms, apartments, finished basements and other dry spaces with good ventilation and planned electrical access. If you want more interior space within the same range, the Thermo Black 150 is the natural next step.
06What are the electrical requirements for the Thermo Black 110 sauna?+
The recommended heater for this model is the 4.7 kW Aava. The electrical installation must be prepared for this power and validated by a certified electrician. Saunamo provides the model's technical documentation to the responsible electrician and helps confirm whether the space has the right power supply for this installation.
07How does delivery work?+
It is delivered in flatpack format for indoor mounting. We continue to validate the entire access route, but its more compact size may make placement easier compared to larger cabins.
08Can I assemble the sauna myself?+
Yes. It is a modular sauna and can be assembled using the instructions provided. If you prefer, you can also use Saunamo's certified installation service, especially in already finished interior spaces.
09What warranty is included with the Thermo Black 110 sauna?+
Includes 3 years warranty on the structure and components covered by the respective conditions. If a covered issue arises, the Saunamo team helps to assess the situation and guide the next step.
10How do I choose the right heater?+
We recommend the Aava 4.7 kW electric heater. The interior volume of 1.84 m³ was designed for quick heating and a strong sauna experience in a compact format. If the space requires additional validation, we will confirm the final configuration with you before ordering.
Compare interior saunas
8 models
Swipe to compare.
Use the arrows on desktop or swipe on mobile.
Compact
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Thermo Black 110
Balanced
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Thermo Black 150
Aisti 120
Ideal for a traditional sauna ritual in smaller indoor rooms.
Aisti 150
Ideal for medium indoor rooms when you want more comfort without moving to a larger cabin.
Aura 110
Ideal for daily infrared recovery in the smallest possible footprint.
Aura 150
Ideal for roomier infrared sessions at home with comfortable space for two.
Thermo Black 110
Ideal for compact interiors when you want the Thermo Black look in the smallest footprint.
Thermo Black 150
Ideal for regular home use when you want a more comfortable two-person cabin.
Thermo Black 220
Ideal for design-led interiors where the sauna should feel part of the architecture.
Thermo Black 220 Plus
Ideal for larger interiors where the sauna should feel spacious, social and lounge-like.
Aisti 120
1200 × 1200 × 2150 mm
Aisti 150
1500 × 1500 × 2150 mm
Aura 110
1026 × 1100 × 2100 mm
Aura 150
1500 × 1100 × 2100 mm
Thermo Black 110
1026 × 1200 × 2150 mm
Thermo Black 150
1500 × 1500 × 2150 mm
Thermo Black 220
2205 × 1500 × 2150 mm
Thermo Black 220 Plus
2205 × 2200 × 2150 mm
Aisti 120
4.7 kW
Aisti 150
4.7 kW
Aura 110
1.8 kW (infrared)
Aura 150
2.4 kW (infrared)
Thermo Black 110
4.7 kW
Thermo Black 150
4.7 kW
Thermo Black 220
4.7–6.6 kW
Thermo Black 220 Plus
9.4–10.5 kW
Aisti 120
15-25 min
Aisti 150
20-30 min
Aura 110
10-15 min
Aura 150
10-15 min
Thermo Black 110
15-25 min
Thermo Black 150
20-30 min
Thermo Black 220
20-30 min
Thermo Black 220 Plus
25-35 min
Aisti 120
Light alder inside the cabin and on the benches, with a calm Nordic feel.
Aisti 150
Light alder inside the cabin and on the benches, with a calm Nordic feel.
Aura 110
Poplar interior, tempered glass and integrated infrared panels with a lighter, contemporary feel.
Aura 150
Poplar interior, tempered glass and integrated infrared panels with a lighter, contemporary feel.
Thermo Black 110
Dark thermo-aspen interior and benches with a richer, more architectural atmosphere.
Thermo Black 150
Dark thermo-aspen interior and benches with a richer, more architectural atmosphere.
Thermo Black 220
Dark thermo-aspen interior and benches with a richer, more architectural atmosphere.
Thermo Black 220 Plus
Dark thermo-aspen interior and benches with a richer, more architectural atmosphere.
Aisti 120
Ideal for a traditional sauna ritual in smaller indoor rooms.
1200 × 1200 × 2150 mm
4.7 kW
15-25 min
Light alder inside the cabin and on the benches, with a calm Nordic feel.
Aisti 150
Ideal for medium indoor rooms when you want more comfort without moving to a larger cabin.
1500 × 1500 × 2150 mm
4.7 kW
20-30 min
Light alder inside the cabin and on the benches, with a calm Nordic feel.
Aura 110
Ideal for daily infrared recovery in the smallest possible footprint.
1026 × 1100 × 2100 mm
1.8 kW (infrared)
10-15 min
Poplar interior, tempered glass and integrated infrared panels with a lighter, contemporary feel.
Aura 150
Ideal for roomier infrared sessions at home with comfortable space for two.
1500 × 1100 × 2100 mm
2.4 kW (infrared)
10-15 min
Poplar interior, tempered glass and integrated infrared panels with a lighter, contemporary feel.
Compact
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Thermo Black 110
Ideal for compact interiors when you want the Thermo Black look in the smallest footprint.
1026 × 1200 × 2150 mm
4.7 kW
15-25 min
Dark thermo-aspen interior and benches with a richer, more architectural atmosphere.
Balanced
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Thermo Black 150
Ideal for regular home use when you want a more comfortable two-person cabin.
1500 × 1500 × 2150 mm
4.7 kW
20-30 min
Dark thermo-aspen interior and benches with a richer, more architectural atmosphere.
Thermo Black 220
Ideal for design-led interiors where the sauna should feel part of the architecture.
2205 × 1500 × 2150 mm
4.7–6.6 kW
20-30 min
Dark thermo-aspen interior and benches with a richer, more architectural atmosphere.
Thermo Black 220 Plus
Ideal for larger interiors where the sauna should feel spacious, social and lounge-like.
2205 × 2200 × 2150 mm
9.4–10.5 kW
25-35 min
Dark thermo-aspen interior and benches with a richer, more architectural atmosphere.
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